Fig. 9From: Unravelling the construction of silver filigree spheres from a seventeenth century shipwreck using non-invasive imagingDamaged wire, showing that its core is completely filled with corroded material. Blue lines are the interpretation of wires. a In situ on sphere 5372-013; b same image as a; c cross-section of a decorative fragment from sphere 5372-122. The red area indicates the location measured by SEM–EDS (see Fig. 10); d same image as c. Optical micrographsBack to article page